<nav class="navbar navbar-default ">
    <div class="container">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <img src="../img/logo.png" alt="">
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav navbar-left">
                <li class="active">
                    <a href="#">军事新闻</a>
                </li>
            </ul>

            <ul class="nav navbar-nav navbar-right">
                <li>
                    <div class="sreach">
                        <i class="sreachIcon"></i>
                        <input type="text" class="sreachBtn" placeholder="搜索">
                    </div>
                </li>
            </ul>
        </div>
    </div>
</nav>